Home / 88,727.12-122,297.56-62,894.34

Finding the Fourth Proportional to 88,727.12, 122,297.56 and 62,894.34

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Solution

The fourth proportional to 88,727.12, 122,297.56 and 62,894.34 is: 86,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.12 : 122,297.56 = 62,894.34 : x
  2. Step 2: Convert to fraction form
    88,727.12/122,297.56 = 62,894.34/x
  3. Step 3: Cross multiply
    88,727.12x = 122,297.56 × 62,894.34
  4. Step 4: Simplify right side
    88,727.12x = 7,691,824,319.81
  5. Step 5: Solve for x
    x = 7,691,824,319.81/88,727.12
  6. Step 6: Final answer
    x = 86,690.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.